---
kind: "section"
citation: "40 C.F.R. § 432.3"
title: "40"
number: "432.3"
heading: "General limitation or standard for pH."
url: "https://uscodex.org/cfr/40/432.3"
---

# §432.3. General limitation or standard for pH.


Any discharge subject to BPT, BCT, or NSPS limitations or standards in this part must remain within the pH range of 6 to 9.


## Notes

### Authority

Authority: 33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342 and 1361.

### Source

Source: 69 FR 54541, Sept. 8, 2004, unless otherwise noted.